A portable application can be run from a removable drive (USB flash drive, iPod, portable hard drive, etc) on any Windows computer without installation.
You will carry the program with settings on removable drive and don't modify settings on host computer.
On Vista and above turn off User Account Control (UAC) or run launcher as admin.

Extract and run ClownfishPortable.
Language set by launcher according UserDefaultLang (if you don't want: write UserDefaultLang=false in ClownfishPortable.ini).
Settings of installed Clownfish should be preserved.

Extract and run ChromePortable or ChromiumPortable or IronPortable.If you want to add parameters, start in incognito mode, not set cache in temp, not delete cache or allow multiple instances: edit *Portable.ini.
Example: AdditionalParameters=--app=http://portableappz.blogspot.com
Settings of installed Chrome, Chromium or Iron should be preserved.

Multi-Users: change Profile by editing FirefoxPortable.ini or PaleMoonPortable.ini with User=NameOfNewUser
Associated to Thunderbird Portable if FirefoxPortable and ThunderbirdPortable folders are in the same folder. A click on a mailto link in FirefoxPortable open a new mail in ThunderbirdPortable (don't work on Windows 8 and above).